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US 3,974,822 AGranted
Solar heat collector
AssigneePPG Industries, Inc.
InventorPandit G. Patil
Life of this patent
Estimating the term…
Abstract
A solar heat collector is disclosed having an outer cover plate, an intermediate cover plate and a solar radiation absorber mounted in spaced relation to each other by edge packing. The edge packing (1) removes moisture from the air space between the cover plates and absorber and (2) prevents moisture from entering the air space between the cover plates and the absorber.
Claims9
A solar heat collector, comprising:
- at least one cover plate capable of passing solar energy having a major surface with a predetermined transmittance coefficient greater than zero, said at least one cover plate having predetermined peripheral dimensions and shape;
- a solar energy absorber having peripheral dimensions and shape similar to said at least one cover plate, said absorber having conduit means for moving a heat absorbing medium therethrough and a major surface having a predetermined absorptivity greater than zero;
- a rigid spacer frame having peripheral dimensions and shape similar to said at least one cover plate, said spacer frame mounting marginal edge portions of the major surfaces of said at least one cover plate and said absorber to provide a compartment therebetween;
- desiccating means mounted in said spacer frame and communicating with the compartment to remove moisture in the compartment;
- a continuous layer of moisture-impervious adhesive mounting said at least one cover plate, absorber and spacer frame to prevent moisture from moving into the compartment;
- and
- said layer of moisture-impervious adhesive and desiccating means maintaining the compartment essentially free of moisture to prevent the decrease of the predetermined absorptivity coefficient of said absorber and predetermined transmittance coefficient of said at least one cover plate.
4 more elements
Dependencies are inferred from the claim text.